1457474243 has 4 divisors (see below), whose sum is σ = 1543208040. Its totient is φ = 1371740448.

The previous prime is 1457474233. The next prime is 1457474279. The reversal of 1457474243 is 3424747541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1457474243 - 2¹⁰ = 1457473219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1457474243.

It is not an unprimeable number, because it can be changed into a prime (1457474233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42866873 + ... + 42866906.

It is an arithmetic number, because the mean of its divisors is an integer number (385802010).

Almost surely, 2^1457474243 is an apocalyptic number.

1457474243 is a deficient number, since it is larger than the sum of its proper divisors (85733797).

1457474243 is an equidigital number, since it uses as much as digits as its factorization.

1457474243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85733796.

The product of its digits is 376320, while the sum is 41.

The square root of 1457474243 is about 38176.8810014647. The cubic root of 1457474243 is about 1133.7926296894.

The spelling of 1457474243 in words is "one billion, four hundred fifty-seven million, four hundred seventy-four thousand, two hundred forty-three".